9th Class Computer Notes Chapter-04

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DATA AND PRIVACY:

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9th Class Computer Notes Chapter-04:

MCQs from Text Book Exercise and others included in this Practice panel. By practicing again and again, Student can get good practice on this topic “Data and Privacy” i.e. 9th Class Computer Science MCQs Chapter-04.

 

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Computer Ch#04, 09th Class

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1 / 56

__________ method is replacing alphabets in some fixed number of steps to the left /right of original alphabet in sequence of alphabet.

2 / 56

This is the Importance of encrypting a data _________

3 / 56

Substitution cipher method are methods of encryption in which ______________

4 / 56

Encoding means conversion of the data to an unreadable format which is called _________

5 / 56

Companies want to read minds of web surfers and some times they store some piece of information with web surfers PC, called___________

6 / 56

The main purpose to convert plaintext to ciphertext is __________

7 / 56

Protecting data from malicious users is called ________________

8 / 56

Which of these is main aspect to secure our data?

9 / 56

_________ is a cyber-attack to make a machine/ Network resource unavailable by sending any requests in small amount of time

10 / 56

Anyone, who doesn’t want to share his information with unintending person the main reason is __________

11 / 56

Which of the following is not a characteristic of good password?

12 / 56

______________ are ubiquitous and are widely used by people of almost all ages to store and share data.

13 / 56

The foundation of all ____________________ of data is formed on ethical principle.

14 / 56

A computer virus is a computer program written _____________

15 / 56

Identify the wrong plaintext of encrypted text by Caesar Cipher Method Four Character substitution to the right.

16 / 56

Which would be an example of phishing Email by Hackers?

17 / 56

If a company sells emails IDs and phone numbers to another company for marketing purpose, it is ______________

18 / 56

Secrete code is required to read / convert ciphertext to plain text is called_______

19 / 56

Using Cookies companies are able to gather ________________

20 / 56

Illegally accessing someone’s else computer is called _____________

21 / 56

DoS attackers target the web servers of banking / trade organization to ____________

22 / 56

A crime in which __________________ are used is called cybercrime.

23 / 56

Which one is not a fraud & misuse of data?

24 / 56

Which of the following doesn’t includes the types of software piracy?

25 / 56

_____________ is a general term for any type of information processing that can be represented mathematically.

26 / 56

When a key has less numbers of character then the text to encrypt, repeating letters of the key is called ___________

27 / 56

Which is not a good characteristic of a good password?

28 / 56

_______________ are secrets that are playing an important role for the success of a company.

29 / 56

A good password should be ____________

30 / 56

___________ is uses a Table for substituting the letters of plaintext.

31 / 56

_________________ says that idea or product of someone cannot be copied.

32 / 56

Copywrite of software means that ______________

33 / 56

Which of the following is not the characteristics of phishing emails?

34 / 56

________ is a general term for any type of information processing that can be represented mathematically.

35 / 56

________ was a roman politician and military general, who used the method of encryption for sending message to his solders.

36 / 56

Making illegal copies of software is called ____________

37 / 56

Companies interested to collect information about his consumer to know about _________

38 / 56

Passwords are used for authentication to enter a system, whereas ____________ are used to read an encrypted message.

39 / 56

Integrity means that you want to keep your data ____________

40 / 56

Keeping _________ of data has become difficult in this era of computer & internet.

41 / 56

_________ is a cyber-attack to make machine or network resource unavailable for a user.

42 / 56

__________is the process of encoding data in such a way that only authorized person can read it.

43 / 56

Availability of your data means that data will be available when ____________

44 / 56

_____________ is a program which can change / destroy an information or sabotage a precious data.

45 / 56

If we have data of others, it is our ethical responsibility to keep it ________________

46 / 56

Patent is a way to protect ____________

47 / 56

Which of the following is the plan text of this Cipher Text “UFPNXYFS”

48 / 56

If the key has less number of letters then, ________________ in Vigenere Cipher Method.

49 / 56

___________ is the process of encoding data.

50 / 56

Piracy means making _____________ of copywrite data.

51 / 56

Phishing Emails are showing as __________________

52 / 56

Which one is not a software piracy?

53 / 56

Which of the following in not a cybercrime?

54 / 56

One of them is not a data security issue ___________

55 / 56

A computer expert who can steal data when it moves from one location to other is called _________

56 / 56

Which of the following is not characteristics of phishing website?

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MCQs Chap # 04 Computer Science 9th  (Open/ Download)

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Short Questions Chap # 04 Computer Science 9th  (Open/ Download)

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Long Questions Chap # 04 Computer Science 9th  (Open/ Download)

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Class 9 Computer Science Chapter-Wise MCQs